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Given an untrimmed video, temporal sentence grounding (TSG) aims to locate a target moment semantically according to a sentence query. Although previous respectable works have made decent success, they only focus on high-level visual…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Xiang Fang , Daizong Liu , Pan Zhou , Guoshun Nan

Video Temporal Grounding (VTG) strives to accurately pinpoint event timestamps in a specific video using linguistic queries, significantly impacting downstream tasks like video browsing and editing. Unlike traditional task-specific models,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yongxin Guo , Jingyu Liu , Mingda Li , Dingxin Cheng , Xiaoying Tang , Dianbo Sui , Qingbin Liu , Xi Chen , Kevin Zhao

Video Temporal Grounding (VTG) aims to identify visual frames in a video clip that match text queries. Recent studies in VTG employ cross-attention to correlate visual frames and text queries as individual token sequences. However, these…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Jongbhin Woo , Hyeonggon Ryu , Youngjoon Jang , Jae Won Cho , Joon Son Chung

Video Temporal Grounding (VTG) aims to precisely identify video event segments in response to textual queries. The outputs of VTG tasks manifest as sequences of events, each defined by precise timestamps, saliency scores, and textual…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Zuhao Yang , Yingchen Yu , Yunqing Zhao , Shijian Lu , Song Bai

We introduce ED-VTG, a method for fine-grained video temporal grounding utilizing multi-modal large language models. Our approach harnesses the capabilities of multimodal LLMs to jointly process text and video, in order to effectively…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Shraman Pramanick , Effrosyni Mavroudi , Yale Song , Rama Chellappa , Lorenzo Torresani , Triantafyllos Afouras

Video Temporal Grounding (VTG) aims to ground specific segments within an untrimmed video corresponding to the given natural language query. Existing VTG methods largely depend on supervised learning and extensive annotated data, which is…

多媒体 · 计算机科学 2024-10-18 Mengxue Qu , Xiaodong Chen , Wu Liu , Alicia Li , Yao Zhao

Long Video Temporal Grounding (LVTG) aims at identifying specific moments within lengthy videos based on user-provided text queries for effective content retrieval. The approach taken by existing methods of dividing video into clips and…

计算机视觉与模式识别 · 计算机科学 2025-05-23 Zijia Lu , A S M Iftekhar , Gaurav Mittal , Tianjian Meng , Xiawei Wang , Cheng Zhao , Rohith Kukkala , Ehsan Elhamifar , Mei Chen

Spatio-Temporal Video Grounding (STVG) aims to retrieve the spatio-temporal tube of a target object or person in a video given a text query. Most existing approaches perform frame-wise spatial localization within a predicted temporal span,…

计算机视觉与模式识别 · 计算机科学 2026-02-17 Heng Zhao , Yew-Soon Ong , Joey Tianyi Zhou

The temporal answering grounding in the video (TAGV) is a new task naturally derived from temporal sentence grounding in the video (TSGV). Given an untrimmed video and a text question, this task aims at locating the matching span from the…

计算机视觉与模式识别 · 计算机科学 2025-03-26 Bin Li , Yixuan Weng , Bin Sun , Shutao Li

This paper does not introduce a novel method but instead establishes a straightforward, incremental, yet essential baseline for video temporal grounding (VTG), a core capability in video understanding. While multimodal large language models…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang

Visual grounding aims to predict the locations of target objects specified by textual descriptions. For this task with linguistic and visual modalities, there is a latest research line that focuses on only selecting the linguistic-relevant…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Jingchao Wang , Wenlong Zhang , Dingjiang Huang , Hong Wang , Yefeng Zheng

Temporal Video Grounding (TVG) aims to precisely localize video segments corresponding to natural language queries, which is a critical capability for long-form video understanding. Although existing reinforcement learning approaches…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Chaohong Guo , Xun Mo , Yongwei Nie , Xuemiao Xu , Chao Xu , Fei Yu , Chengjiang Long

In this paper, we study the problem of temporal video grounding (TVG), which aims to predict the starting/ending time points of moments described by a text sentence within a long untrimmed video. Benefiting from fine-grained 3D visual…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Yimeng Zhang , Xin Chen , Jinghan Jia , Sijia Liu , Ke Ding

Grounding temporal video segments described in natural language queries effectively and efficiently is a crucial capability needed in vision-and-language fields. In this paper, we deal with the fast video temporal grounding (FVTG) task,…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Ziyue Wu , Junyu Gao , Shucheng Huang , Changsheng Xu

Visual grounding is a common vision task that involves grounding descriptive sentences to the corresponding regions of an image. Most existing methods use independent image-text encoding and apply complex hand-crafted modules or…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Ming Dai , Lingfeng Yang , Yihao Xu , Zhenhua Feng , Wankou Yang

Video Temporal Grounding (VTG), which aims to localize video clips corresponding to natural language queries, is a fundamental yet challenging task in video understanding. Existing Transformer-based methods often suffer from redundant…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Zhiyi Zhu , Xiaoyu Wu , Zihao Liu , Linlin Yang

In this work, we introduce a novel task - Humancentric Spatio-Temporal Video Grounding (HC-STVG). Unlike the existing referring expression tasks in images or videos, by focusing on humans, HC-STVG aims to localize a spatiotemporal tube of…

计算机视觉与模式识别 · 计算机科学 2021-06-03 Zongheng Tang , Yue Liao , Si Liu , Guanbin Li , Xiaojie Jin , Hongxu Jiang , Qian Yu , Dong Xu

Natural Language Video Grounding (NLVG) aims to localize time segments in an untrimmed video according to sentence queries. In this work, we present a new paradigm named Explore-And-Match for NLVG that seamlessly unifies the strengths of…

计算机视觉与模式识别 · 计算机科学 2022-08-05 Sangmin Woo , Jinyoung Park , Inyong Koo , Sumin Lee , Minki Jeong , Changick Kim

Spatio-Temporal video grounding (STVG) focuses on retrieving the spatio-temporal tube of a specific object depicted by a free-form textual expression. Existing approaches mainly treat this complicated task as a parallel frame-grounding…

计算机视觉与模式识别 · 计算机科学 2022-12-02 Yang Jin , Yongzhi Li , Zehuan Yuan , Yadong Mu

Temporal sentence grounding in videos(TSGV), which aims to localize one target segment from an untrimmed video with respect to a given sentence query, has drawn increasing attentions in the research community over the past few years.…

计算机视觉与模式识别 · 计算机科学 2021-09-20 Xiaohan Lan , Yitian Yuan , Xin Wang , Zhi Wang , Wenwu Zhu